| 英文名称: | | 5-b)carbazole-1,4(6h)-dione, 2,3-dihydro-5-ethyl-1h-pyridazino( | | 2,3-dihydro-5-ethyl-1h-pyridazino(4,5-b)carbazole-1,4(6h)-dione | | dioxo-1,4 ethyl-5 tetrahydro-1,2,3,4 6h-pyridazino(4,5-b)carbazole | | 5-b)carbazole-1,4(6h)-dione,2,3-dihydro-5-ethyl-1h-pyridazino( |
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